Messages in this thread | | | Date | Tue, 31 Jul 2007 13:30:00 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: Is PIE randomization breaking klibc binaries? |
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On Wed, 25 Jul 2007, Ulrich Kunitz wrote:
> The message looks like: > sleep[7888]: segfault at 000000000004001C rip 000000000004001C rsp > 00007fff14776468 error 14 > Repeated calls get the same message with the stack pointer changing. > Other binaries (mount) have a segmentation fault at another addressi > (0x400184). It appears that the instruction pointer fails at the start > address of the klibc binary. Notify that this lies in the binary itself > and not in the /lib/klibc*.so object, so it appears that the klibc > binary sections are loaded at randomized addresses.
Hi Ulrich,
I just now quickly tried to with klibc-1.5 on i386 with the PIE-randomization patched kernel, and it seems to load static libraries fine.
I just downloaded klibc-1.5, built it, and executed a few of the programs in usr/utils/static, all of them worked. Does this also work for you and you are experiencing the problems solely when the binaries are being run from initramfs during boot?
I will test more shortly (on x86_64, directly from initramfs) in order to reproduce.
Thanks,
-- Jiri Kosina SUSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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